Nah, if all else goes south he invades Grenada and guarantees a Pence follow on term.
The first time Trump interferes with whatever Pence/Ryan want, they will initiate whichever process suits them to remove the now Unfit Prezident Trump. President Pence will then continue unhindered.
Jeez, Montag, you could be right. I figured Trump picked Pence to buy himself assassination insurance. Maybe the Rumpster outfoxed himself.